1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.portlet;
24  
25  import com.liferay.portal.kernel.util.JavaConstants;
26  
27  import javax.portlet.PortletResponse;
28  
29  import javax.servlet.http.HttpServletRequest;
30  import javax.servlet.jsp.JspException;
31  import javax.servlet.jsp.tagext.TagSupport;
32  
33  /**
34   * <a href="NamespaceTag.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   */
38  public class NamespaceTag extends TagSupport {
39  
40      public int doStartTag() throws JspException {
41          try {
42              HttpServletRequest request =
43                  (HttpServletRequest)pageContext.getRequest();
44  
45              PortletResponse portletResponse =
46                  (PortletResponse)request.getAttribute(
47                      JavaConstants.JAVAX_PORTLET_RESPONSE);
48  
49              pageContext.getOut().print(portletResponse.getNamespace());
50          }
51          catch (Exception e) {
52              throw new JspException(e);
53          }
54  
55          return SKIP_BODY;
56      }
57  
58      public int doEndTag() {
59          return EVAL_PAGE;
60      }
61  
62  }